% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS63488 - AS63999'

as-block:       AS63488 - AS63999
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2013-09-11T23:49:48Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS63935'

% Abuse contact for 'AS63935' is 'InformationTechnology-Network&SecurityMgmt@mu-sigma.com'

aut-num:        AS63935
as-name:        MSBSPL-IN
descr:          Mu Sigma Business Solution Private Ltd
country:        IN
org:            ORG-MSBS1-AP
admin-c:        MSBS2-AP
tech-c:         MSBS2-AP
abuse-c:        AM2993-AP
mnt-lower:      MAINT-MSBSPL-IN
mnt-routes:     MAINT-MSBSPL-IN
mnt-by:         APNIC-HM
mnt-irt:        IRT-MSBSPL-IN
last-modified:  2021-01-14T03:02:42Z
source:         APNIC

irt:            IRT-MSBSPL-IN
address:        Mu Sigma Business Solution Private Ltd, Aviator.7th Floor to 13th Floor, ITPL-SEZ.Whitefield Road,,
e-mail:         InformationTechnology-Network&SecurityMgmt@mu-sigma.com
abuse-mailbox:  InformationTechnology-Network&SecurityMgmt@mu-sigma.com
admin-c:        MSBS2-AP
tech-c:         MSBS2-AP
auth:           # Filtered
remarks:        informationtechnology-network&securitymgmt@mu-sigma.com was validated on 2026-07-28
mnt-by:         MAINT-MSBSPL-IN
last-modified:  2026-07-28T13:15:56Z
source:         APNIC

organisation:   ORG-MSBS1-AP
org-name:       Mu Sigma Business Solution Private Ltd
org-type:       LIR
country:        IN
address:        Mu Sigma Business Solution Private Ltd
address:        Aviator.7th Floor to 13th Floor
address:        ITPL-SEZ.Whitefield Road,
phone:          +919008511322
e-mail:         InformationTechnology-Network&SecurityMgmt@mu-sigma.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:31Z
source:         APNIC

role:           ABUSE MSBSPLIN
country:        ZZ
address:        Mu Sigma Business Solution Private Ltd, Aviator.7th Floor to 13th Floor, ITPL-SEZ.Whitefield Road,,
phone:          +000000000
e-mail:         InformationTechnology-Network&SecurityMgmt@mu-sigma.com
admin-c:        MSBS2-AP
tech-c:         MSBS2-AP
nic-hdl:        AM2993-AP
remarks:        Generated from irt object IRT-MSBSPL-IN
remarks:        informationtechnology-network&securitymgmt@mu-sigma.com was validated on 2026-07-28
abuse-mailbox:  InformationTechnology-Network&SecurityMgmt@mu-sigma.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-28T13:16:30Z
source:         APNIC

role:           Mu Sigma Business Solution Private Ltd administra
address:        Mu Sigma Business  Solution Private Ltd, Aviator.7th Floor to 13th Floor, ITPL-SEZ.Whitefield Road,,
country:        IN
phone:          +9108071548047
e-mail:         InformationTechnology-Network&SecurityMgmt@mu-sigma.com
admin-c:        MSBS2-AP
tech-c:         MSBS2-AP
nic-hdl:        MSBS2-AP
mnt-by:         MAINT-MSBSPL-IN
last-modified:  2015-01-21T23:56:32Z
source:         APNIC

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